This is a 1989 Brown Wool Knit piece by Issey Miyake. Issey is known for PLEATS PLEASE, a method that combines “technology, functionality and beauty.” Miyake “refers to his designs not as clothing, or ready-to-wear ensembles, but rather art pieces” (Issey).
Issey Miyake. Sara Templeton. 1995-2007. 19 Oct. 2007